<div dir='auto'>http://www.smithsonianmag.com/smart-news/human-activity-changing-space-too-180963369/?utm_source=smithsoniandaily&utm_medium=email&utm_campaign=20170519-daily-responsive&spMailingID=29085588&spUserID=NzQwNDU3NTY1MTkS1&spJobID=1042644182&spReportId=MTA0MjY0NDE4MgS2</div>